... waterproof pvc empty speaker box:1.Used as the sound box and customers can put the PCB board into the sound ... according to customers' requirement.Specification: 1Product Namewaterproof pvc empty speaker box2MaterialUPVC, soft PVC,ABS,PE.PC,PS3CraftExtrusion/ Coextrusion4UsedCan be ... profile2Mould making timeBased on the plastic profile designs, about 10-25 days, if we have existing mould, we can ...